Sun GS Refrigeration Oil
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Sun GS Refrigeration Oil
The parent company of Nippon Sun Oil is one of the world’s leading integrated energy producers—U.S. Sun Oil Company, founded in 1886. While supplying a wide range of petroleum products, it has consistently contributed to people’s daily lives, cultural development, and industrial progress. Over its 130-year history, the company’s most remarkable achievements have been the innovative products born of its pioneering spirit and exceptional technological expertise, as well as its use of motorsport as a bridge to strengthen connections among society, local communities, and individuals. Accordingly, the ethos of U.S. Sun Oil Company has been carried forward at Nippon Sun Oil.
In 1966, Japan Sun Oil Co., Ltd. was established as the Asian base of U.S.-based Sunoco. Leveraging its in-house research institute and manufacturing facilities, the company develops and produces high‑quality lubricants under the SUNOCO brand. Beyond refrigeration oils, it offers reliable branded products across a wide range of industrial sectors, including rubber‑processing oils, grinding and cutting fluids, general‑purpose industrial lubricants, specialty oils, and automotive lubricants. The company boasts proven track records and numerous successful applications in diverse industries such as machinery and equipment, construction machinery, metallurgy, light industry, mining, petrochemicals, energy, electronics, building materials, textile printing and dyeing, and transportation.
In China, more than 50% of the major air-conditioning, refrigerator, and automotive air-conditioning systems use SUNISO GS series refrigeration oils in their HCFC‑based compressors. SUNISO’s high‑quality refrigeration oils are globally acclaimed and widely recognized as the optimal choice for lubricating refrigeration compressors, having been endorsed by leading manufacturers of refrigeration compressors worldwide.
Technical Specifications
TECHNICAL PARAMETER
Technical indicators | Test Method | SUNICE 3GS | SUNICE 4GS | SUNICE 5GS | SUNICE 6GS |
Viscosity at 40°C, cSt | D445 | 29.5 | 54.9 | 94.6 | 141.3 |
Viscosity at 100°C, cSt | D445 | 4.31 | 5.97 | 7.78 | 10.2 |
Pour Point, °C | D97 | -40 | -35 | -27.5 | -25 |
Density, 20℃ | D1298 | 0.909 | 0.915 | 0.921 | 0.930 |
Flash Point, °C | E92 | 178 | 188 | 208 | 210 |
Water Content, ppm | E1064-85 | <30 | <30 | <30 | <30 |
Product Overview
PRODUCT INTRODUCTION
As a leading premium refrigeration oil, the SUNISO brand boasts a rich history spanning more than 75 years. It has earned widespread recognition and is widely used by major manufacturers of air conditioners, refrigerators, and refrigeration equipment in China, the United States, and around the world.
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